[php]识别图片主色调

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1、[PHP]识别图片主色调2012-08-0710:16:52    我来说两句 收藏  我要投稿  [字体：小大]一、适用情景：，根据颜色列出相应图片。二、主程序及API解释：[php] 

2、array('image/png'=>'imagecreatefrompng','image/jpeg'=>'imagecreatefromjpeg','image/gif'=>'imagecreatefromgif');         publicfunction__construct(array$colors=null){        if(null!==$colors){            $this->_colors=$colors;        }    }         publicfunctionsetColors(array$colors)

3、{        $this->_colors=$colors;    }         publicfunctionsetTolerance($tolerance){        $this->_tolerance=$tolerance;    }         publicfunctionsetIgnoreColors($colors){        $this->_ignoreColors=$colors;    }         publicfunction_isValidColor($confVal,$val){        if(is_arra

4、y($confVal)){            return$val>=$confVal[0]&&$val<=$confVal[1];        }else{            return$val>=$confVal-$this->_tolerance&&$val<=$confVal+$this->_tolerance;        }    }         publicfunctiongetOrderedColors($pic){        $size=getimagesize($pic);        if(!$size){        

5、    returnfalse;        }                 $width=$size[0];        $height=$size[1];        $mime=$size['mime'];        $func=isset($this->_funcs[$mime])?$this->_funcs[$mime]:null;        if(!$func){            returnfalse;        }                 $im=$func($pic);        if(!$im){      

6、      returnfalse;        }         $total=$width*$height;        $nums=array();        for($i=0;$i<$width;$i++){            for($m=0;$m<$height;$m++){                $color_index=imagecolorat($im,$i,$m);                $color_tran=imagecolorsforindex($im,$color_index);                $

7、alpha=$color_tran['alpha'];                unset($color_tran['alpha']);                if(100<$alpha

8、

9、in_array($color_tran,$this->_ignoreColors)){                    continue;                }                 foreach($this->_colorsas$colorid=>$color){                    if($thi